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XMLHttpRequest separated from http module
This commit is contained in:
Vladimir Enchev
236
http/http.ts
236
http/http.ts
@@ -1,10 +1,6 @@
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import image = require("image-source");
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import definition = require("http");
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import httpRequest = require("http/http-request");
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import types = require("utils/types");
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// merge the exports of the request file with the exports of this file
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declare var exports;
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require("utils/module-merge").merge(httpRequest, exports);
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@@ -27,233 +23,7 @@ export function getImage(arg: any): Promise<image.ImageSource> {
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return new Promise<image.ImageSource>((resolve, reject) => {
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httpRequest.request(typeof arg === "string" ? { url: arg, method: "GET" } : arg)
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.then(r => {
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r.content.toImage().then(source => resolve(source));
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}, e => reject(e));
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r.content.toImage().then(source => resolve(source));
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}, e => reject(e));
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});
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}
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export class XMLHttpRequest {
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public UNSENT = 0;
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public OPENED = 1;
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public HEADERS_RECEIVED = 2;
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public LOADING = 3;
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public DONE = 4;
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public onload: () => void;
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public onerror: () => void;
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private _options: definition.HttpRequestOptions;
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private _readyState: number;
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private _status: number;
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private _response: any;
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private _responseText: string = "";
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private _headers: any;
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private _errorFlag: boolean;
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private _responseType: string;
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public onreadystatechange: Function;
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constructor() {
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this._readyState = this.UNSENT;
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}
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public open(method: string, url: string, async?: boolean, user?: string, password?: string) {
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if (types.isString(method) && types.isString(url)) {
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this._options = { url: url, method: method };
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this._options.headers = {};
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if (types.isString(user)) {
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this._options.headers["user"] = user;
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}
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if (types.isString(password)) {
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this._options.headers["password"] = password;
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}
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this._setReadyState(this.OPENED);
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}
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}
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public abort() {
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this._errorFlag = true;
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this._response = null;
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this._responseText = null;
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this._headers = null;
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this._status = null;
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if (this._readyState === this.UNSENT || this._readyState === this.OPENED || this._readyState === this.DONE) {
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this._readyState = this.UNSENT;
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} else {
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this._setReadyState(this.DONE);
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}
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}
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public send(data?: string) {
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this._errorFlag = false;
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this._response = null;
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this._responseText = null;
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this._headers = null;
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this._status = null;
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if (types.isDefined(this._options)) {
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if (types.isString(data)) {
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this._options.content = data;
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}
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httpRequest.request(this._options).then(r=> {
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if (!this._errorFlag) {
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this._status = r.statusCode;
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this._response = r.content.raw;
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this._headers = r.headers;
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this._setReadyState(this.HEADERS_RECEIVED);
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this._setReadyState(this.LOADING);
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this._responseText = r.content.toString();
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this._setReadyState(this.DONE);
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}
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}).catch(e => {
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this._errorFlag = true;
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this._setReadyState(this.DONE);
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});
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}
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}
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public setRequestHeader(header: string, value: string) {
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if (types.isDefined(this._options) && types.isString(header) && types.isString(value)) {
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this._options.headers[header] = value;
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}
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}
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public getAllResponseHeaders(): string {
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if (this._readyState < 2 || this._errorFlag) {
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return "";
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}
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var result = "";
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for (var i in this._headers) {
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// Cookie headers are excluded
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if (i !== "set-cookie" && i !== "set-cookie2") {
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result += i + ": " + this._headers[i] + "\r\n";
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}
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}
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return result.substr(0, result.length - 2);
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}
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public getResponseHeader(header: string): string {
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if (types.isString(header) && this._readyState > 1
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&& this._headers
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&& this._headers[header]
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&& !this._errorFlag
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) {
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return this._headers[header];
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}
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return null;
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}
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public overrideMimeType(mime: string) {
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//
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}
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get readyState(): number {
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return this._readyState;
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}
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public get responseType(): string {
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return this._responseType;
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}
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public set responseType(value: string) {
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if (value === "" || value === "text") {
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this._responseType = value;
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} else {
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throw new Error(`Response type of '${value}' not supported.`);
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}
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}
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private _setReadyState(value: number) {
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if (this._readyState !== value) {
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this._readyState = value;
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if (types.isFunction(this.onreadystatechange)) {
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this.onreadystatechange();
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}
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}
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if (this._readyState === this.DONE) {
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if (this._errorFlag && types.isFunction(this.onerror)) {
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this.onerror();
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}
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if (!this._errorFlag && types.isFunction(this.onload)) {
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this.onload();
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}
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}
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}
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get responseText(): string {
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return this._responseText;
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}
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get response(): any {
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return this._response;
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}
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get status(): number {
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return this._status;
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}
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get statusText(): string {
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if (this._readyState === this.UNSENT || this._readyState === this.OPENED || this._errorFlag) {
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return "";
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}
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return this._status + " " + statuses[this._status];
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}
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}
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var statuses = {
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100: "Continue",
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101: "Switching Protocols",
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200: "OK",
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201: "Created",
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202: "Accepted",
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203: "Non - Authoritative Information",
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204: "No Content",
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205: "Reset Content",
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206: "Partial Content",
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300: "Multiple Choices",
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301: "Moved Permanently",
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302: "Found",
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303: "See Other",
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304: "Not Modified",
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305: "Use Proxy",
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307: "Temporary Redirect",
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400: "Bad Request",
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401: "Unauthorized",
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402: "Payment Required",
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403: "Forbidden",
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404: "Not Found",
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405: "Method Not Allowed",
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406: "Not Acceptable",
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407: "Proxy Authentication Required",
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408: "Request Timeout",
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409: "Conflict",
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410: "Gone",
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411: "Length Required",
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412: "Precondition Failed",
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413: "Request Entity Too Large",
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414: "Request - URI Too Long",
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415: "Unsupported Media Type",
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416: "Requested Range Not Satisfiable",
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417: "Expectation Failed",
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500: "Internal Server Error",
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501: "Not Implemented",
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502: "Bad Gateway",
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503: "Service Unavailable",
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504: "Gateway Timeout",
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505: "HTTP Version Not Supported"
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};
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}
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